Home / 743,443.11-1,115,207.10-210,922.29

Finding the Fourth Proportional to 743,443.11, 1,115,207.10 and 210,922.29

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Solution

The fourth proportional to 743,443.11, 1,115,207.10 and 210,922.29 is: 316,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,443.11 : 1,115,207.10 = 210,922.29 : x
  2. Step 2: Convert to fraction form
    743,443.11/1,115,207.10 = 210,922.29/x
  3. Step 3: Cross multiply
    743,443.11x = 1,115,207.10 × 210,922.29
  4. Step 4: Simplify right side
    743,443.11x = 235,222,035,356.26
  5. Step 5: Solve for x
    x = 235,222,035,356.26/743,443.11
  6. Step 6: Final answer
    x = 316,395.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.